一种多用采摘器研制成功花椒的采摘问题是多年来尚未解决的一大难题。棉花打杈也是棉农一项费时费力的繁琐劳动。现在花椒采摘和棉花打杈主要靠手工完成，由于花椒穗柄和棉杈较硬且韧性大，手指甲很难掐断，这样直接影响了花椒采摘和棉花打杈的速度。由山东省林科所青年工... The successful development of a multi-purpose picker pepper picking problem is unsolved over the years a major problem. It is also a time-consuming and tedious labor of cotton farmer to make a profit. Now pepper picking and cotton twig mainly by hand to complete, because the pepper handle and cotton twig harder and tough, fingernails is hard to cut off, this directly affects the speed of pepper picking and cotton twigs. By the Shandong Provincial Forestry Branch young workers ...